back at strawberry mansion where just last year the threat of violence overshadowed the promise of education. now, a new school year is under way with new hope, thanks to diane sawyer's reporting and your generosity. plus, a little extra help from a surprising celebrity source. >> a new school year at the strawberry mansion. >> i'm like really excited. >> a fresh start. it's the first day and this year students are including a little order of their own. asking for school uniforms. uniforms in part paid for by you, abc viewers. >> i missed you. >> i missed you too. >> two of my favorite people in the world. >> a familiar voice. principal wayman back for her second year at strawberry mansion. >> i am the bell. i'm the bell. it is now time to transition. bing. and she has done something extraordinary. for the first time in six years -- let's go, move! the school is no longer considered one of the country's most dangerous. through sheer force of will, the principal cut the incidents nearly in half. and your wave of generosity helped breath new life into the school. >> just when i really did thin